Exam One III

Question 1

A body of molten rock, including any dissolved gases and crystals, originating deep in Earth’s crust or upper mantle

Answer 1

Magma

Question 2

According to an ideal rock cycle, what would be the sequence in which rocks are formed?

Answer 2

Igneous, sedimentary, metamorphic

Question 3

A ______, igneous rock is a rock in which large mineral crystals are mixed with smaller crystals:

Answer 3

Porphyritic

Question 4

_______ is a diagram showing the order in which different minerals crystallize during cooling and progressive crystallization of magma:

Answer 4

Bowen’s Reaction Series

Question 5

Along the discontinuous series of crystallization, the minerals that form include:

Answer 5

Horneblende, biotite

Question 6

Along the continuous series of crystallization, the minerals that form include:

Answer 6

Anorthite, albite

Question 7

The process of generating more than one rock from a single magma is referred to as

Answer 7

Magmatic Differentiation

Question 8

As the cooling rate in magma increases, the mineral crystals

Answer 8

become smaller